# From http://sourceforge.net/projects/libpng/files/libpng16/1.6.16/
md5	23b7286b5d4a86de950fd2ffc5cac742	libpng-1.6.16.tar.xz
sha1	31855a8438ae795d249574b0da15b34eb0922e13	libpng-1.6.16.tar.xz